BVFD PDF

bvfd
Double Block and Bleed
• Inline valve that allows you to block pressure in either direction and drain
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either side. An exceptional advantage for systems running off a single power
unit, allowing maintenance and upgrades without disturbing other components.
Superior field proven design features full unrestriced bore,
durability, and fast spare parts available from our factory.
Large variety of flanges available.
Standard Delrin ball seals & Buna-N elastomer seals.
Other materials available for full fluid compatibility range.
Wide variety of additional accessories available.
Contact DMIC Sales for a dimensional drawing.
*Please note: From the closed position, these valves cannot be opened under pressure
unless pressure balance option is installed.
Picture shown with available flanges and lock kits
www.dmic.com
DMIC Ball Valves Catalog
Copyright ©2009 Delaware Mfg.
DBV-BVFD
Call Toll Free 1-800-248-3642
In Canada 1-800-320-3642
BVFD
DOUBLE BLOCK & BLEED
Ordering Codes Summary
For accessory codes
BVFD
- **
FH
FM
or
DH
DM
- **
FK
FL
- 1 1 1 1 * * * *
O-Rings
Main Valve Size
Code Port Size
20
2”
25
2½"
30
3"
Bleed Port Size
4”
50+
Description
1
2
3
5
6
7
Buna-N
EPR
Viton
Chemraz
Kalrez
Buna-3716 (Low Temp)
Code Port Size
05
07
10
½"
¾"
1"
Connection Type
Seals, Bushings, Washers
Description
Code
40
Code
FL
FK
Code
SAE Code 61
SAE Code 62
Call
Body Material
Code
1
2
Description
Carbon Steel
Stainless Steel
Description
1
Delrin
4
High Temp Peek
6
Low Friction
Ball & Stem Mat’l
Code
Description
1
Carbon Steel
2
316 Stainless Steel
6
416 Stainless Spindle
316 Stainless Ball
Connection Types
Type
Code
Description
Max PSI
Std Code 61 or Code 62
SAE Mounting
FH
FM
SAE C.62 Pattern
SAE C.61 Pattern
Dependent
Upon SAE Pattern
Special DMIC Pattern
for 3000 or 6000
PSI Rating
DH
Custom DMIC
Pattern for 6000 PSI
Custom DMIC
Pattern for 3000 PSI
Dependent
Upon Bore Size/
Pipe Size
DM
Use Flange (Sold Separately)
Contact DMIC Sales
FDM-xxBy-11
FDM-xxWy-11
BKGB-xx-1111
BKGW-xx-1111
BUTT WELD FLANGE
SOCKET WELD FLANGE
BOLT KIT FOR BUTT WELD
BOLT KIT OF SOCKET WELD
All sizes can be made to ANSI or DIN pattern. FH or FM is for 2” ordering code. DH or DM is for 2½” and larger ordering codes.
For flange ordering: xx is the same as main bore size
y is the schedule pipe according to DMIC Weld/Flange ordering code
Note: Changes from Standard Materials result in changes to temperature and/or pressure rating.
Due to our policy of continual product improvement, the specifications in this catalog
may change without notice. When designing by spec, please request a certified print.
www.dmic.com
DMIC Ball Valves Catalog
Copyright ©2009 Delaware Mfg.
DBV-BVFD
Call Toll Free 1-800-248-3642
In Canada 1-800-320-3642